- Year 1991
- Country Algeria
-
- Any
- Afghanistan 11
- Africa 5
- Angola 1
- Antarctica 1
- Argentina 1
- Australia 30
- Austria 1
- Bangladesh 1
- Belgium 1
- Benin 1
- Bhutan 2
- Bosnia and Herzegovina 1
- Brazil 3
- Burkina Faso 2
- Cambodia 1
- Canada 1
- Chile 1
- China 3
- Congo 2
- DRC 1
- Cuba 2
- Dominican Republic 1
- Eastern Europe 2
- Ecuador 1
- Egypt 5
- Ethiopia 4
- France 3
- Georgia 1
- Germany 6
- Greece 1
- Guatemala 2
- Haiti 1
- India 15
- Indonesia 11
- Iran, Islamic Republic of 6
- Iraq 11
- Ireland 1
- Israel/Palestine 19
- Italy 1
- Jamaica 1
- Japan 3
- Jordan 1
- Kenya 8
- North Korea 1
- South Korea 3
- Kosovo 1
- Lebanon 2
- Libyan Arab Jamahiriya 2
- Madagascar 1
- Malawi 1
- Malaysia 3
- Maldives 1
- Mexico 2
- Moldova 1
- Morocco 1
- Nepal 3
- Netherlands 2
- New Zealand 3
- Nicaragua 1
- Nigeria 1
- Pakistan 3
- Papua New Guinea 3
- Peru 1
- Poland 2
- Portugal 2
- Qatar 2
- Romania 1
- Russian Federation 4
- Rwanda 2
- Saudi Arabia 1
- Serbia 1
- Sierra Leone 2
- Singapore 1
- Solomon Islands 1
- Somalia 1
- South Africa 6
- Sri Lanka 3
- Sudan 6
- Sweden 1
- Switzerland 4
- Syrian Arab Republic 4
- Taiwan 1
- Tanzania 1
- Thailand 4
- Timor-Leste 4
- Uganda 1
- Ukraine 1
- United Kingdom 6
- United States 41
- Vanuatu 1
- Venezuela 2
- Vietnam 3
- World 24
- Yemen 1
- Zimbabwe 2